of the following virus structure is derived from host cell membranes()
A: nucleic
acid
B: capsid
protein
C: lipid
bilayer
D: sugar
in spikes
E: protein
in spikes
举一反三
- Which<br/>of the following descriptions is incorrect? ( ) A: Under<br/>the condition of usual diet, body mainly produces acid substances B: The<br/>salts of organic acid contained in vegetables and fruits are the main<br/>source of fix acid C: Ammonia<br/>produced by metabolism is alkali (base) D: The<br/>more protein one ingests, the more fix acid is produced E: Ketone<br/>body includes volatile component
- Which of the following<br/>is the characteristics of atopic dermatitis<br/>__ __? A: May have family<br/>history B: Not allergic to<br/>protein C: Peripheral blood<br/>eosinophil decrease D: Low immunity
- Which of the following are incorrectly paired? ()<br/>A. A: cell: glucagon <br/> B: cell: insulin <br/> C: cell: somatostatin <br/> D: cell: gastrin <br/> E: cell: secretin
- Which<br/>of the following cell is not labile cell () A: urothelial<br/>cell B: epidermis C: Lymphohematopoietic<br/>cell D: hepatocyte E: respiratory<br/>epithelial cell
- The spacial conformation of protein is mainly determined by: () A: the<br/>sequence of amino acid B: α-helix<br/>and β-pleated sheets C: the<br/>side chain of amino acid in the peptide D: peptide<br/>bond in the peptide chain E: the<br/>location of disulfide bond in the peptide chain
内容
- 0
Which<br/>one of the following is the reason of pandemic<br/>flu<br/>() A: virus<br/>has strong virulence <br/>(B)HA<br/>of Influenza B: virus<br/>easily produce variation, and people lack of immunity <br/>(C)<br/>NA of Influenza C: virus<br/>easily produces variation, and people lack of immunity<br/>(D)<br/>Influenza D: virus<br/>develops new subtype virus, and people lack of immunity
- 1
Which<br/>nerves convey stimuli from the skin, mucous membranes and deeper<br/>structures?() A: sympathetic<br/>nerves B: parasympathetic<br/>nerves C: motor<br/>nerves D: sensory<br/>nerves E: efferent<br/>nerves
- 2
Which<br/>of the following is NOT the consequence of air pollution () A: Earthquake B: Haze<br/>and smoke C: Acid<br/>rain D: Greenhouse<br/>effect
- 3
Which one of the following amino acids is NOT contained in the<br/>protein? () A: Cystine B: Arginine C: Lysine D: Citrulline
- 4
The<br/>spatial conformation of protein include: () A: α-helix B: β-pleated<br/>sheet C: domatin D: motif E: polymerization<br/>of subunits